Industrial Development Subsidy (Details) (USD $)	3 Months Ended	9 Months Ended
Mar. 28, 2015	Mar. 29, 2014	Mar. 28, 2015	Mar. 29, 2014
Industrial Development Subsidy (Textual)
Subsidy recieved	$ 11,900,000psem_SubsidyRecieved		$ 11,900,000psem_SubsidyRecieved
Remaining subsidy	5,600,000psem_RemainingSubsidy		5,600,000psem_RemainingSubsidy
Period over which remaining subsidy to be recognized			Five to seven years
Subsidy used in reduction in cost of goods sold	185,000	190,000	561,000	567,000
Subsidy used in reduction in cost of operating expenses	$ 46,000	$ 47,000	$ 139,000	$ 140,000

Five to seven years